Failure Characteristics of High-lock Bolts for Composite Structures under Dynamic Combined Loading

被引：0

作者：

Xi X. ^{[1
]}

Liu X. ^{[1
]}

Bai C. ^{[1
]}

Zhang Y. ^{[1
]}

Shu W. ^{[1
]}

Ge Y. ^{[1
]}

机构：

[1] Aviation Key Laboratory of Science and Technology on Structures Impact Dynamics, Aircraft Strength Research Institute of China, Xi'an, 710065, Shaanxi

来源：

Binggong Xuebao/Acta Armamentarii | 2019年 / 40卷 / 10期

关键词：

Combined loading; Composite; Dynamic tensile; Failure parameter; High-lock bolt;

D O I：

10.3969/j.issn.1000-1093.2019.10.021

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In order to study the failure characteristics of high-lock bolts used in composite structures under dynamic combined loading, a special experimental support device is designed based on the high velocity hydraulic servo-testing machine, and a loading method of collision type is proposed. Failure tests of CFBL1001-6-6/ CFNT1003CY6 high-lock bolts were conducted under the conditions of 0.01 m/s, 0.10 m/s and 1.00 m/s loading speeds, and pure tensile, 30° tensile-shear coupling, 45° tensile-shear coupling, 60° tensile-shear coupling and pure shear state, and the parameters of failure equation were obtained by fitting the experimental results. The experimental results show that the failure parameters of high-lock bolts under dynamic combined loading can be effectively obtained by using the proposed experimental method, and the failure mode and failure load of high-lock bolts are affected greatly by the loading mode and less at the loading speed.The experimental results are good agreement with the predicted results of failure equation, which indicates that the failure characteristics of high-lock bolts can be well represented by the failure equation. © 2019, Editorial Board of Acta Armamentarii. All right reserved.

引用

页码：2142 / 2150

页数：8

共 14 条

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